90 students class in a certain class were enrolled in 3 subjects 30 enrolled in algebra 35 enrolled in Physics 25 enrolled in chemistry 14 enrolled Chemistry and Algebra 12 enrolled in Chemistry Physics 11 enrolled Algebra and Physics > 5 enrolled Algebra, Physics and Chemistry How many students were enrolled in? 1. Exactly one subject 2. Exactly two subjects 3. At most two subject 4. Algebra or Physics 5. Algebra and Physics 6. Physics Only 7. How many did not enrolled only